/*
 *
 *
 * Copyright  1990-2009 Sun Microsystems, Inc. All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version
 * 2 only, as published by the Free Software Foundation.
 * 
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License version 2 for more details (a copy is
 * included at /legal/license.txt).
 * 
 * You should have received a copy of the GNU General Public License
 * version 2 along with this work; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 * 
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
 * Clara, CA 95054 or visit www.sun.com if you need additional
 * information or have any questions.
 */

package com.sun.midp.services;

import java.io.IOException;

/**
 * Umbrella class for various utility methods.
 */
public final class SystemServiceUtil {

    /**
     * Sends string via given connection.
     *
     * @param con connection to use for sending string
     * @param str string to send
     */
    public static void sendString(SystemServiceConnection con, String str) 
        throws SystemServiceConnectionClosedException, IOException {

        SystemServiceDataMessage msg = SystemServiceMessage.newDataMessage();
        msg.getDataOutput().writeUTF(str);
        con.send(msg);        
    }

    /**
     * Receives string via given connection.
     *
     * @param con connection to use for receiving string
     * @return received string
     */
    public static String receiveString(SystemServiceConnection con) 
        throws SystemServiceConnectionClosedException, IOException {

        SystemServiceDataMessage msg = (SystemServiceDataMessage)con.receive();
        String str = msg.getDataInput().readUTF();

        return str;
    }
}
